[RFC PATCH 3/3] imx: imx8mp_evk: override env_get_location

[Tommaso Merciai]

Override env_get_location function at board level, previously dropped
down from soc.c

References:
 - commit f1575f23df1ef704051f218d5bc4aeeb20c2c542

Signed-off-by: Tommaso Merciai <tomm.merciai at gmail.com>
---
Changes since v1:
 - Remove wrong env_get_offset function from commit

 board/freescale/imx8mp_evk/imx8mp_evk.c | 41 +++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/board/freescale/imx8mp_evk/imx8mp_evk.c b/board/freescale/imx8mp_evk/imx8mp_evk.c
index 62096c24fb..6b2eeaf152 100644
--- a/board/freescale/imx8mp_evk/imx8mp_evk.c
+++ b/board/freescale/imx8mp_evk/imx8mp_evk.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <env.h>
+#include <env_internal.h>
 #include <errno.h>
 #include <init.h>
 #include <miiphy.h>
@@ -17,6 +18,7 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/gpio.h>
+#include <asm/mach-imx/boot_mode.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -32,6 +34,45 @@ static iomux_v3_cfg_t const wdog_pads[] = {
 	MX8MP_PAD_GPIO1_IO02__WDOG1_WDOG_B  | MUX_PAD_CTRL(WDOG_PAD_CTRL),
 };
 
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	enum boot_device dev = get_boot_device();
+	enum env_location env_loc = ENVL_UNKNOWN;
+
+	if (prio)
+		return env_loc;
+
+	switch (dev) {
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+	case QSPI_BOOT:
+		env_loc = ENVL_SPI_FLASH;
+		break;
+#endif
+#ifdef CONFIG_ENV_IS_IN_NAND
+	case NAND_BOOT:
+		env_loc = ENVL_NAND;
+		break;
+#endif
+#ifdef CONFIG_ENV_IS_IN_MMC
+	case SD1_BOOT:
+	case SD2_BOOT:
+	case SD3_BOOT:
+	case MMC1_BOOT:
+	case MMC2_BOOT:
+	case MMC3_BOOT:
+		env_loc =  ENVL_MMC;
+		break;
+#endif
+	default:
+#if defined(CONFIG_ENV_IS_NOWHERE)
+		env_loc = ENVL_NOWHERE;
+#endif
+		break;
+	}
+
+	return env_loc;
+}
+
 int board_early_init_f(void)
 {
 	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
-- 
2.25.1